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Diffstat (limited to '')
-rw-r--r-- | vk/tracking/db/io.py | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/vk/tracking/db/io.py b/vk/tracking/db/io.py deleted file mode 100644 index a89865f..0000000 --- a/vk/tracking/db/io.py +++ /dev/null @@ -1,56 +0,0 @@ -# Copyright (c) 2017 Egor Tensin <Egor.Tensin@gmail.com> -# This file is part of the "VK scripts" project. -# For details, see https://github.com/egor-tensin/vk-scripts. -# Distributed under the MIT License. - -from contextlib import contextmanager -import csv -import sys - - -class FileWriterCSV: - def __init__(self, fd=sys.stdout): - self._fd = fd - self._writer = csv.writer(fd, lineterminator='\n') - - @staticmethod - def _convert_row_old_python(row): - if isinstance(row, (list, tuple)): - return row - return list(row) - - def write_row(self, row): - if sys.version_info < (3, 5): - row = self._convert_row_old_python(row) - self._writer.writerow(row) - self._fd.flush() - - -class FileReaderCSV: - def __init__(self, fd=sys.stdin): - self._reader = csv.reader(fd) - - def __iter__(self): - return iter(self._reader) - - -@contextmanager -def _open_file(path=None, default=None, **kwargs): - if path is None: - yield default - else: - with open(path, **kwargs) as fd: - yield fd - - -_DEFAULT_ENCODING = 'utf-8' - - -def open_output_text_file(path=None, mode='w'): - return _open_file(path, default=sys.stdout, mode=mode, - encoding=_DEFAULT_ENCODING) - - -def open_input_text_file(path=None): - return _open_file(path, default=sys.stdin, mode='r', - encoding=_DEFAULT_ENCODING) |